<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    * {
      margin: 0;
      padding: 0;
    }
    .carousel {
      position: relative;
      width: 800px;
      height: 500px;
      margin: 50px auto;
      border: 1px solid #000;
      overflow: hidden;
    }
    .carousel input {
      display: none;      
    }
    .carousel .pic {
      position: absolute;
      left: 0;
      width: 5000px;
      height: 500px;
      transition: all 2s ease 0s;
    }
    /* 通过判断哪个 input标签被选中，让后面的兄弟发生样式变化 */
    .carousel #page1:checked ~ .pic {
      left: 0;
    }
    .carousel #page2:checked ~ .pic {
      left: -800px;
    }
    .carousel #page3:checked ~ .pic {
      left: -1600px;
    }
    .carousel .pic img {
      float: left;
      width: 800px;
      height: 500px;
    }
    .carousel .page {
      position: absolute;
      left: 100px;
      bottom: 50px;
      width: 200px;
      height: 20px;
    }
    .carousel .page label {
      float: left;
      width: 20px;
      height: 20px;
      margin-right: 20px;
      background-color: #fff;
    }

    
  </style>
</head>
<body>
  <div class="carousel">
    <input type="radio" name="slider" id="page1" checked="checked">
    <input type="radio" name="slider" id="page2">
    <input type="radio" name="slider" id="page3">
    <div class="pic">
      <img src="images/01.jpg" alt="">
      <img src="images/02.jpg" alt="">
      <img src="images/03.jpg" alt="">
    </div>
    <div class="page">
      <label for="page1"></label>
      <label for="page2"></label>
      <label for="page3"></label>
    </div>
  </div>
</body>
</html>